TS4999 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4999
STMicroelectronics
TS4999 Datasheet PDF : 36 Pages
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TS4999
Electrical characteristics
Figure 4. Current consumption vs. power
supply voltage
6
No load
Tamb = 25°C
5
Both channels active
4
One channel active
3
2
1
0
0
1
2
3
4
5
Power Supply Voltage (V)
Figure 5. Current consumption vs. standby
voltage (one channel)
3
Vcc=5V
Vcc=3.6V
2
One channel active
1
Vcc=2.5V
No load
Tamb = 25°C
0
0
1
2
3
4
5
Standby Voltage (V)
Figure 6. Standby current consumption vs. Figure 7. Efficiency vs. output power
power supply voltage
(one channel)
1.4
No load
1.2
V = V = GND
STBYL
STBYR
Tamb = 25°C
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
3
4
5
Power Supply Voltage (V)
100
80
60
40
20
0
0.0
1.0
0.9
0.8
Efficiency
0.7
0.6
0.5
Power dissipation
0.4
0.3
Vcc = 5V
RL = 4Ω + 15μH 0.2
F = 1kHz
0.1
THD+N ≤ 10%
0.0
0.4 0.8 1.2 1.6 2.0 2.4 2.8
Output Power (W)
Figure 8. Efficiency vs. output power
(one channel)
Figure 9. Efficiency vs. output power
(one channel)
100
80
60
40
20
0
0.0
Efficiency
Power dissipation
0.2 0.4 0.6 0.8 1.0
Output Power (W)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
Vcc = 3.6V
0.15
RL = 4Ω + 15μH 0.10
F = 1kHz
0.05
THD+N ≤ 10%
0.00
1.2 1.4 1.6
100
80
60
40
20
0
0.0
Efficiency
Power dissipation
0.1 0.2 0.3 0.4
Output Power (W)
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
0.08
Vcc = 2.5V
RL = 4Ω + 15μH
F = 1kHz
THD+N ≤ 10%
0.06
0.04
0.02
0.00
0.5 0.6 0.7
15/36
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